<template>
  <div>
    <table border="1" width="700" style="border-collapse: collapse">
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th><input type="checkbox" v-model="isAll" /> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
        <TrsEvery
          v-for="(item, index) in goodList"
          :key="index"
          :name="item.name"
          :price="item.price"
          :num="item.num"
          :show="goodList"
          :index="index"
          :total="item.total"
          :heji="heji"
          @ChengeDel="Del"
          @ChangeDec="dec"
          @ChangeAdd="add"
        />
      </thead>
      <tbody>
        <tfoot>
    <tr>
      <td>合计</td>
      <td colspan="5">{{ CheckOut}}</td>
    </tr>
  </tfoot>
      </tbody>
    </table>
  </div>
</template>

<script>
import TrsEvery from './components/TrsEvery.vue'
import HejiTr from './components/HejiTr.vue'
export default {
  components: {
    TrsEvery,
    HejiTr,
  },
  data() {
    return {
      show1: '',

      heji: 0,

      goodList: [
        {
          name: '诸葛亮',
          price: 1000,
          num: 0,
          isshow: '',
          total: 0,
        },
        {
          name: '蔡文姬',
          price: 1500,
          num: 0,
          isshow: '',
          total: 0,
        },
        {
          name: '妲己',
          price: 2000,
          num: 0,
          isshow: '',
          total: 0,
        },
        {
          name: '鲁班',
          price: 2200,
          num: 0,
          isshow: '',
          total: 0,
        },
      ],
    }
  },
  methods: {
    Del(index) {
      this.goodList.splice(index, 1)
    },
    dec(index) {
      if (this.goodList[index].num !== 0) {
        this.goodList[index].num = this.goodList[index].num - 1
        this.goodList[index].total =
          this.goodList[index].num * this.goodList[index].price
      }
    },
    add(index) {
      this.goodList[index].num = this.goodList[index].num + 1
      this.goodList[index].total =
        this.goodList[index].num * this.goodList[index].price
    },
    ChecOut() {
      this.goodList.forEach((item) => {
        if (item.isshow === true) {
        }
      })
    },
  },
  computed: {
    isAll: {
      get() {
        return this.goodList.every((item) => item.isshow)
      },
      set(val) {
        this.goodList.forEach((item) => (item.isshow = val))
      },
    },
  },
}
</script>

<style >

</style>
